Oil Supply
Adjustment
3.4
How to check the hook oil supply
Unused machine should run idle
for 3 minutes (Moderate intermit-
tent operation).
The amount of oil confirmation
paper must be inserted in the state
when the machine is running.
The confirming time of the oil
amount is 5 seconds (check the
period of time with a watch).
Adjusting the amount of oil sup-
plied to the hook
Sample showing the appropriate
amount of oil
The amount of oil can be adjusted
according to the different sewing
process but it must be a suitable
amount. Otherwise the hook will
generate heat or the sewing mate-
rial will be contaminated.
Use the amount of oil confirmation
paper for three times to observe
the amount of oil. Adjust the screw
until the mark on the paper
unchanged.
Figure 7
Figure 8
Figure 9
Machine bed
Bush
1mm
2mm
The amount of oil confirmation paper
Place of oil amount confirming
The amount of oil confirmation paper
Splashing oil from the hook
Minimum
Maximun
Splashing oil from the hook
Turning the oil adjusting screw of the
hook shaft bushing on bed toward
‘+’ in direction ‘A’, the oil amount
will be increased, and toward ‘-‘ in
direction ‘B’, the oil amount will be
decreased.
After adjustment the machine must
be idling for thirty seconds. It can be
confirmed the state of oil supplied.
8
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Instruction Manual and Parts List
Rotating Hook
Integrated Energy Saving Direct Drive Motor Lockstitch Sewing Machine
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